New science is pointing to the ocean garbage patches being larger than previously believed. That's because scientists think a lot of the plastic and other bits of trash in the ocean is actually swirling underwater, rather than collected along the surface.

New science is pointing to the ocean garbage patches being larger than previously believed. That's because scientists think a lot of the plastic and other bits of trash in the ocean is actually swirling underwater, rather than collected along the surface.

New science is pointing to the ocean garbage patches being larger than previously believed. That's because scientists think a lot of the plastic and other bits of trash in the ocean is actually swirling underwater, rather than collected along the surface.